- Dementia – preventing social isolation
- Diabetes – early signs
- Diabetes – getting the most from your diabetes medicines
- Diabetes self-management programmes – type 1 diabetes
- Diabetes self-management programmes – type 2 diabetes
- Dietary supplement topics
- Dietitian
- Digital harassment – tips to prevent
- Disability – Ministry for Disabled People
- Disability services
- Disability services and support
- Disability topics
- D-mannose and UTIs
- Doctor's visits
- Drinking water safety
- Drinks for kids